OS-NBR-11/16×1-1/8×1/4
OS-NBR-1-5/8×2-3/8×3/8
OS-NBR-3/4×1×5/32
OS-NBR-1-3/8×2-1/8×5/16
OS-NBR-1-1/4×2×5/16
OS-NBR-7/16×1×1/4
OS-NBR-1/2×1×1/4
OS-NBR-1/2×1-1/4×1/4
OS-NBR-9/16×7/8×3/16